/Engine/Source/Editor/UnrealEd/Public/DataTableEditorUtils.h
static uint8 * AddRowAboveOrBelowSelection ( [UDataTable](API\Runtime\Engine\Engine\UDataTable) * DataTable, const [FName](API\Runtime\Core\UObject\FName) & RowName, const [FName](API\Runtime\Core\UObject\FName) & NewRowName, ERowInsertionPosition InsertPosition )